Carnation mottle virus BS strain, which was isolated from carnation plants grown in gardens in Beijing and Shanghai of China,infected Chenopodium murale, C. amarantieolor, Gomphrena globosa and Tetragonia expansa locally, C.quinoa systemically sometimes and induced necrotic spots or chlorotic lesions on these hosts respectively. But other five species plants of two families tested were not infected. After two cycles single lesion isolation, the virus yield purified from C. quinoa by PEG(MW 6,000) precipitat...